CVE-2019-11779

Source
https://nvd.nist.gov/vuln/detail/CVE-2019-11779
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11779.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-11779
Downstream
Related
Published
2019-09-19T14:15:10Z
Modified
2025-10-21T04:44:27.324635Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

References

Affected packages

Git / github.com/eclipse/mosquitto

Affected ranges

Type
GIT
Repo
https://github.com/eclipse/mosquitto
Events
Type
GIT
Repo
https://gitlab.labs.nic.cz/labs/bird
Events
Introduced
1e3810f9f8e251d82a8157b39df9be196315c43e
Fixed
b5d1903bf6ce454716e97828e6e4062bf17ac000

Affected versions

v1.*

v1.5
v1.5.1
v1.5.2
v1.5.3
v1.5.4
v1.5.5
v1.5.7
v1.5.8
v1.6.0
v1.6.1
v1.6.2
v1.6.3
v1.6.4
v1.6.5